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Dewis pwnc arall neu clirio pob hidlydd.
Nid yw holl gynnwys y cyfrifia wedi'i ryddhau. Edrychwch am ddatganiadau sydd i ddod ar y calendr datganiadau. Fel arall, gallwch greu set ddata eich fun.
Rhyddhawyd ar: 13 June 2023 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 6 June 2024 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 8 October 2019 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 23 April 2020 | Methodoleg
Findings from analysis to investigate whether increases in anti-social behaviour (ASB) are a result of an order effect caused by changes to the survey instrument or are indicative of a genuine rise in these experiences.
Rhyddhawyd ar: 5 May 2023 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 26 November 2020 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 20 April 2022 | Gwybodaeth gorfforaethol
How we researched and tested the questions for the questionnaire.
Rhyddhawyd ar: 6 September 2017 | Gwybodaeth gorfforaethol
We have finalised the questions to be included in the Census 2021 questionnaire. Learn about our research and testing here.
Rhyddhawyd ar: 22 June 2022 | Gwybodaeth gorfforaethol
Bringing together our question and questionnaire development, topic research and user engagement for Census 2021.
Rhyddhawyd ar: 18 January 2016 | Gwybodaeth gorfforaethol
Before excluding an income question on the 2011 Census, ONS considered the impact on response rates, field operations, public perception and the quality of data.
